It seems unbelievable that we still have to keep having the same conversations about vaccination, when the science and the results are so clear.

But we do, because people continually come up with new ways to ignore the evidence, and put the rest of society in danger by not vaccinating their kids. Explaining concepts like 'herd immunity' becomes important, because it shows the wider impact that individual choices can have.

Kitty Flanagan decided to take on this topic by explaining herd immunity with the concept of a 'stink virus' that can only be defeated by the 'deodorant vaccine' on a bus. It's educational, but also funny. The best combo!

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